{"id":32,"date":"2012-04-06T13:46:38","date_gmt":"2012-04-06T12:46:38","guid":{"rendered":""},"modified":"2014-08-13T12:13:05","modified_gmt":"2014-08-13T11:13:05","slug":"2-attaques-de-pucerons-sur-chrysantheme","status":"publish","type":"post","link":"https:\/\/www.bsv-reunion.fr\/?p=32","title":{"rendered":"Attaques de pucerons sur chrysanth\u00e8me"},"content":{"rendered":"<p>Le chrysanth\u00e8me est fr\u00e9quent\u00e9 par plusieurs esp\u00e8ces de pucerons : <i>Myzus persicae, Aphis gossypii, Aphis fabae.<\/i><\/p>\n<p>Les d\u00e9g\u00e2ts sont importants, surtout en fin cycle, sur les fleurs et sur le feuillage. La fumagine qui se d\u00e9veloppe sur les excr\u00e9ments de pucerons peut bloquer la photosynth\u00e8se et limiter le d\u00e9veloppement des plants.<br \/>\nOn observe souvent un parasitisme naturel de ces pucerons par la micro-gu\u00eape <i>Aphidius colemani.<\/i> Cet hym\u00e9nopt\u00e8re de la famille des Braconidae mesure 2,5 mm de longueur. Il d\u00e9pose ses oeufs dans l\u2019abdomen des pucerons qui finissent par mourir et prennent une couleur beige caract\u00e9ristique en se momifiant.<br \/>\nPlus le parasitisme est fort, plus on observe les momies sur la face inf\u00e9rieure du feuillage.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le chrysanth\u00e8me est fr\u00e9quent\u00e9 par plusieurs esp\u00e8ces de pucerons : Myzus persicae, Aphis gossypii, Aphis fabae. Les d\u00e9g\u00e2ts sont importants, surtout en fin cycle, sur les fleurs et sur le feuillage. La fumagine qui se d\u00e9veloppe sur les excr\u00e9ments de pucerons peut bloquer la photosynth\u00e8se et limiter le d\u00e9veloppement des plants. On observe souvent un parasitisme naturel de ces pucerons [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[31],"tags":[],"class_list":["post-32","post","type-post","status-publish","format-standard","hentry","category-actualites"],"_links":{"self":[{"href":"https:\/\/www.bsv-reunion.fr\/index.php?rest_route=\/wp\/v2\/posts\/32","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bsv-reunion.fr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bsv-reunion.fr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bsv-reunion.fr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bsv-reunion.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=32"}],"version-history":[{"count":4,"href":"https:\/\/www.bsv-reunion.fr\/index.php?rest_route=\/wp\/v2\/posts\/32\/revisions"}],"predecessor-version":[{"id":723,"href":"https:\/\/www.bsv-reunion.fr\/index.php?rest_route=\/wp\/v2\/posts\/32\/revisions\/723"}],"wp:attachment":[{"href":"https:\/\/www.bsv-reunion.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=32"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bsv-reunion.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=32"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bsv-reunion.fr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=32"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}